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Deprogit Blog

Insights, updates, and practical guides from our engineering team.

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Solutions • October 31, 2026 • 5 min read

DNS Cache Flushing: Architecture, Mechanics, and OS Implementations

A technical guide to DNS resolver caching: cache poisoning defenses, Negative Caching (RFC 2308), TTL expiry, and OS cache flushing commands.

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Web & Software • October 31, 2026 • 5 min read

HTTPS and TLS Architecture: Cryptography, Handshakes, and PKI

A technical deep-dive into HTTPS and TLS 1.3: asymmetric key exchange, symmetric encryption, the 1-RTT handshake, X.509 PKI, and HSTS enforcement.

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Cybersecurity News & Trends • October 31, 2026 • 5 min read

Vulnerability Management: CVE, CVSS Scoring, and Coordinated Disclosure

A technical engineering guide to vulnerability management: Common Vulnerabilities and Exposures (CVE), CVSS v3.1/v4.0 scoring, and security.txt standards.

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Company News • October 31, 2026 • 5 min read

Deprogit Launches Redesigned Web Platform and Digital Service Architecture

Deprogit announces the launch of its redesigned web platform, featuring modern responsive design, integrated speed test tools, and an expanded service catalog.

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